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Finding the Fourth Proportional to 441,786.40, 662,679.60 and 373,357.60

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Solution

The fourth proportional to 441,786.40, 662,679.60 and 373,357.60 is: 560,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,786.40 : 662,679.60 = 373,357.60 : x
  2. Step 2: Convert to fraction form
    441,786.40/662,679.60 = 373,357.60/x
  3. Step 3: Cross multiply
    441,786.40x = 662,679.60 × 373,357.60
  4. Step 4: Simplify right side
    441,786.40x = 247,416,465,024.96
  5. Step 5: Solve for x
    x = 247,416,465,024.96/441,786.40
  6. Step 6: Final answer
    x = 560,036.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.